NAICS 221121: Electric Bulk Power Transmission and Control
This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities.  The transmission system includes lines and transformer stations.

ExioML sector: Transmission services of electricity
Region: US | Year: 2022
Sector value added: 26803.4483476 M EUR | Employment: 50.7831819186 thousand persons
Sector GHG emissions: 3100030310.09 kg CO2 eq | Energy carrier net total: 70720.7564122 TJ | Carbon intensity: 0.1156578910999554

Company: Itc Investment Holdings Inc
We specialize in owning and operating electricity transmission systems—not power generation or distribution functions. Our sole focus on transmission produces best-in-class operations, reliability and congestion improvements, and access to all generation resources.